An acronym for "Bottom Line Up Front" that is frequently used in informal military correspondence and internal/informal corporate e-mails to cover the main points of an e-mail so the reader can quickly understand what the e-mail is saying before reading the whole, lengthy e-mail.

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BLUF:UrbanDictionary.com is a great resource for employees to look up slang expressions customers use

Breeches and Leather Uniform Fanclub.
An organisation formed in 1997 for men (predominantly, but not exclusively gay) who enjoy wearing breeches and/or leather uniforms, similar to the ones shown in the drawings of Tom of Finland.
BLUF organises regular parties around the world, and provides a website where members can post profiles and exchange messages with others.
The term is also used as a shorthand to describe a type of clothing, for example in dresscodes or descriptions of items on auction sites.

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A short term used by wearers of Breeches, Leather and Uniform clothing. Stemmed from the 1970s pop group Village People and adopted by a sub group of gay men who are normally rather effeminate but feel the need to wear a facade in order ot make them appear more masculine. Normally day wear would be classed as Buff Wannabe. Often seen by day in Gay cafe society.